diff --git a/app/src/assets/scss/_typography.scss b/app/src/assets/scss/_typography.scss
index 4b6584e4e..25b3e033b 100644
--- a/app/src/assets/scss/_typography.scss
+++ b/app/src/assets/scss/_typography.scss
@@ -116,7 +116,7 @@
 
   u,
   span[data-type~="u"] {
-    border-bottom: 1px solid var(--b3-theme-on-background);
+    border-bottom: 1px solid;
   }
 
   span[data-type~="inline-memo"] {
diff --git a/app/src/assets/scss/_wysiwyg.scss b/app/src/assets/scss/_wysiwyg.scss
index 2b0220318..5c46d5188 100644
--- a/app/src/assets/scss/_wysiwyg.scss
+++ b/app/src/assets/scss/_wysiwyg.scss
@@ -153,7 +153,7 @@
     }
 
     span[data-type~="tag"] {
-      border-bottom: 1px solid var(--b3-protyle-inline-tag-color);
+      border-bottom: 1px solid;
       color: var(--b3-protyle-inline-tag-color);
       transition: var(--b3-transition);
     }
@@ -164,7 +164,7 @@
       transition: var(--b3-transition);
 
       &:hover {
-        border-bottom: 1px solid var(--b3-protyle-inline-link-color);
+        border-bottom: 1px solid;
       }
     }